World's Best Scientists 2026 revealed!
Masanori Koshiba

Masanori Koshiba

D-Index & Metrics

Physics

D-Index
77
Citations
22039
World Ranking
3233
National Ranking
115

Masanori Koshiba publication distribution in Physics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Physics in 2026. The highlighted bar marks where Masanori Koshiba sits on this spectrum.

103–122 publications: 7 scientists 123–142 publications: 10 scientists 143–162 publications: 31 scientists 163–182 publications: 35 scientists 183–202 publications: 53 scientists 203–222 publications: 81 scientists 223–242 publications: 85 scientists 243–262 publications: 112 scientists 263–282 publications: 114 scientists 283–302 publications: 126 scientists 303–322 publications: 136 scientists 323–342 publications: 162 scientists 343–362 publications: 155 scientists 363–382 publications: 156 scientists 383–402 publications: 134 scientists 403–422 publications: 145 scientists 423–442 publications: 147 scientists 443–462 publications: 131 scientists 463–482 publications: 131 scientists 483–502 publications: 116 scientists 503–522 publications: 106 scientists 523–542 publications: 103 scientists 543–562 publications: 87 scientists 563–582 publications: 84 scientists 583–602 publications: 94 scientists 603–622 publications: 70 scientists 623–642 publications: 76 scientists 643–662 publications: 60 scientists 663–682 publications: 54 scientists 683–702 publications: 60 scientists 703–722 publications: 48 scientists 723–742 publications: 64 scientists 743–762 publications: 48 scientists 763–782 publications: 37 scientists 783–802 publications: 43 scientists 803–822 publications: 34 scientists 823–842 publications: 36 scientists 843–862 publications: 32 scientists 863–882 publications: 32 scientists 883–902 publications: 31 scientists 903–922 publications: 25 scientists 923–942 publications: 15 scientists 943–962 publications: 24 scientists 963–982 publications: 13 scientists 983–1,002 publications: 21 scientists 1,003–1,022 publications: 21 scientists 1,023–1,042 publications: 16 scientists 1,043–1,062 publications: 9 scientists 1,063–1,082 publications: 19 scientists 1,083–1,102 publications: 11 scientists 1,103–1,122 publications: 17 scientists 1,123–1,142 publications: 11 scientists 1,143–1,162 publications: 7 scientists 1,163–1,182 publications: 4 scientists 1,183–1,202 publications: 10 scientists 1,203–1,222 publications: 8 scientists 1,223–1,242 publications: 16 scientists 1,243–1,262 publications: 4 scientists 1,263–1,282 publications: 10 scientists 1,283–1,302 publications: 5 scientists 1,303–1,322 publications: 7 scientists 1,323–1,342 publications: 4 scientists 1,343–1,362 publications: 8 scientists 1,363–1,382 publications: 6 scientists 1,383–1,402 publications: 7 scientists 1,403–1,422 publications: 3 scientists 1,423–1,442 publications: 4 scientists 1,443–1,462 publications: 4 scientists 1,463–1,468 publications: 3 scientists 1,469+ publications: 100 scientists
103 publications 1,469+

This scientist: 688 publications — 77th percentile

77% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,469 publications or more.

Masanori Koshiba D-index placement in Physics in 2026

The chart shows the D-index (discipline H-index) distribution of Physics scientists ranked by Research.com in 2026. The highlighted bar marks where Masanori Koshiba sits on this spectrum.

70–71 D-Index: 76 scientists 72–73 D-Index: 110 scientists 74–75 D-Index: 143 scientists 76–77 D-Index: 153 scientists 78–79 D-Index: 144 scientists 80–81 D-Index: 167 scientists 82–83 D-Index: 167 scientists 84–85 D-Index: 166 scientists 86–87 D-Index: 132 scientists 88–89 D-Index: 155 scientists 90–91 D-Index: 134 scientists 92–93 D-Index: 137 scientists 94–95 D-Index: 102 scientists 96–97 D-Index: 112 scientists 98–99 D-Index: 110 scientists 100–101 D-Index: 116 scientists 102–103 D-Index: 97 scientists 104–105 D-Index: 103 scientists 106–107 D-Index: 87 scientists 108–109 D-Index: 90 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 78 scientists 114–115 D-Index: 75 scientists 116–117 D-Index: 67 scientists 118–119 D-Index: 69 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 59 scientists 124–125 D-Index: 53 scientists 126–127 D-Index: 42 scientists 128–129 D-Index: 41 scientists 130–131 D-Index: 33 scientists 132–133 D-Index: 32 scientists 134–135 D-Index: 45 scientists 136–137 D-Index: 19 scientists 138–139 D-Index: 24 scientists 140–141 D-Index: 28 scientists 142–143 D-Index: 31 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 20 scientists 148–149 D-Index: 12 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 24 scientists 154–155 D-Index: 23 scientists 156–157 D-Index: 15 scientists 158–159 D-Index: 15 scientists 160–161 D-Index: 11 scientists 162–163 D-Index: 17 scientists 164–165 D-Index: 12 scientists 166–167 D-Index: 11 scientists 168–169 D-Index: 9 scientists 170–171 D-Index: 9 scientists 172–173 D-Index: 11 scientists 174–175 D-Index: 4 scientists 176–177 D-Index: 8 scientists 178–179 D-Index: 5 scientists 180–181 D-Index: 3 scientists 182–183 D-Index: 4 scientists 184 D-Index: 4 scientists 185+ D-Index: 99 scientists
70 D-Index 185+

This scientist: 77 D-Index — 13th percentile

13% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 185 D-Index or more.

Research.com Recognitions

  • 2005 - OSA Fellows For contributions to the design and modeling of photonic crystal devices, circuits, and fibers
  • 2003 - IEEE Fellow For contributions to the modeling of optical wave propagation in photonics devices.

Overview

Masanori Koshiba is affiliated with Hokkaido University in Japan and specializes in fields related to Electrical and Electronic Engineering within the broader area of Engineering. Their research covers various aspects of optical technologies and photonics.

The main topics of Koshiba's work include:

  • Optical Network Technologies
  • Semiconductor Lasers and Optical Devices
  • Advanced Optical Network Technologies
  • Advanced Photonic Communication Systems
  • Photonic Crystal and Fiber Optics
  • Advanced Fiber Optic Sensors

Significant publications by Koshiba include:

  • "Behavior of intercore crosstalk in square-layout uncoupled four-core fibers," 2022, published in IEICE Electronics Express
  • "Physical interpretation of intercore crosstalk in multicore fiber: effects of macrobend, structure fluctuation, and microbend: comment," 2023, published in Optics Express
  • "" (translates roughly to "There is no waste in research: Returning to basics!"), 2020, published in Denshi Jouhou Tsuushin Gakkai Tsuushin Sosaieti magajin/B-plus/Denshi Jouhou Tsuushin Gakkai Tsuushin Sosaeti magajin

Koshiba frequently collaborates with other researchers, including:

  • Yasuo Kokubun
  • Katsuhiro Takenaga
  • Shoichiro Matsuo
  • Kunimasa Saitoh
  • Mayu Nakagawa

The primary venues where Koshiba publishes their research are:

  • IEICE Electronics Express
  • Optics Express
  • OPAL (Open@LaTrobe) (La Trobe University)
  • Denshi Jouhou Tsuushin Gakkai Tsuushin Sosaieti magajin/B-plus/Denshi Jouhou Tsuushin Gakkai Tsuushin Sosaeti magajin

Awards received by Koshiba include recognition as an OSA Fellow in 2005 for contributions to the design and modeling of photonic crystal devices, circuits, and fibers, and IEEE Fellow in 2003 for contributions to the modeling of optical wave propagation in photonics devices.

Best Publications

  • Chromatic dispersion control in photonic crystal fibers: application to ultra-flattened dispersion

    Kunimasa Saitoh;M Koshiba;T Hasegawa;E Sasaoka

  • Full-vectorial imaginary-distance beam propagation method based on a finite element scheme: application to photonic crystal fibers

    K. Saitoh;M. Koshiba

  • Analytical Expression of Average Power-Coupling Coefficients for Estimating Intercore Crosstalk in Multicore Fibers

    Masanori Koshiba;Kunimasa Saitoh;Katsuhiro Takenaga;Shoichiro Matsuo

  • 1.01-Pb/s (12 SDM/222 WDM/456 Gb/s) Crosstalk-managed Transmission with 91.4-b/s/Hz Aggregate Spectral Efficiency

    Hidehiko Takara;Akihide Sano;Takayuki Kobayashi;Hirokazu Kubota

  • Wavelength division multiplexing and demultiplexing with photonic crystal waveguide couplers

    M. Koshiba

  • Heterogeneous multi-core fibers: proposal and design principle

    Masanori Koshiba;Kunimasa Saitoh;Yasuo Kokubun

  • Numerical modeling of photonic crystal fibers

    K. Saitoh;M. Koshiba

  • Design of a Compact Two-Mode Multi/Demultiplexer Consisting of Multimode Interference Waveguides and a Wavelength-Insensitive Phase Shifter for Mode-Division Multiplexing Transmission

    T. Uematsu;Y. Ishizaka;Y. Kawaguchi;K. Saitoh

  • Single-polarization single-mode photonic crystal fibers

    K. Saitoh;M. Koshiba

  • Empirical relations for simple design of photonic crystal fibers.

    Kunimasa Saitoh;Masanori Koshiba

  • Leakage loss and group velocity dispersion in air-core photonic bandgap fibers

    Kunimasa Saitoh;Masanori Koshiba

  • Highly nonlinear dispersion-flattened photonic crystal fibers for supercontinuum generation in a telecommunication window.

    Kunimasa Saitoh;Masanori Koshiba

  • Coupling characteristics of dual-core photonic crystal fiber couplers

    Kunimasa Saitoh;Yuichiro Sato;Masanori Koshiba

  • Multi-core fiber design and analysis: coupled-mode theory and coupled-power theory

    Masanori Koshiba;Kunimasa Saitoh;Katsuhiro Takenaga;Shoichiro Matsuo

  • Curvilinear hybrid edge/nodal elements with triangular shape for guided-wave problems

    M. Koshiba;Y. Tsuji

  • Time-domain beam propagation method and its application to photonic crystal circuits

    M. Koshiba;Y. Tsuji;M. Hikari

  • Ultra-flattened chromatic dispersion controllability using a defected-core photonic crystal fiber with low confinement losses.

    Kunimasa Saitoh;Nikolaos Florous;Masanori Koshiba

  • A Comprehensive Analysis of

    Nabil Osman;Masanori Koshiba;Ryosaku Kaji

  • Reduction of crosstalk by trench-assisted multi-core fiber

    K. Takenaga;Y. Arakawa;S. Tanigawa;N. Guan

  • Applicability of classical optical fiber theories to holey fibers

    Masanori Koshiba;Kunimasa Saitoh

Frequent Co-Authors

Kunimasa Saitoh
Kunimasa Saitoh Hokkaido University
Shoichiro Matsuo
Shoichiro Matsuo Fujikura (Japan)
Katsuhiro Takenaga
Katsuhiro Takenaga Fujikura (United States)
Takeshi Fujisawa
Takeshi Fujisawa Hokkaido University
Maksim Skorobogatiy
Maksim Skorobogatiy Polytechnique Montréal
Stefano Selleri
Stefano Selleri University of Parma
Keiji Sasaki
Keiji Sasaki Hokkaido University
Luca Vincetti
Luca Vincetti University of Modena and Reggio Emilia
Toshio Morioka
Toshio Morioka Technical University of Denmark
Yasuo Kokubun
Yasuo Kokubun Yokohama National University

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Best Scientists Citing Masanori Koshiba

Trending Scientists

Recently Published Articles